Methyl Sulfonyl Methane with Medicinal Properties is widely used as a nutraceutical for the condition of arthritis. Methyl Sulfonyl Methane is usually taken in combination with Glucosamine. Methyl Sulfonyl Methane is a rich source of Sulphur and a building block of proteins in muscle and connective tissue in joints. Methyl Sulfonyl Methane with Medicinal Properties is also known as Dimethylsulfone.